Home / 1,140,318,063.60-1,573,638,928.08-618,797,295.60

Finding the Fourth Proportional to 1,140,318,063.60, 1,573,638,928.08 and 618,797,295.60

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Solution

The fourth proportional to 1,140,318,063.60, 1,573,638,928.08 and 618,797,295.60 is: 853,940,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,318,063.60 : 1,573,638,928.08 = 618,797,295.60 : x
  2. Step 2: Convert to fraction form
    1,140,318,063.60/1,573,638,928.08 = 618,797,295.60/x
  3. Step 3: Cross multiply
    1,140,318,063.60x = 1,573,638,928.08 × 618,797,295.60
  4. Step 4: Simplify right side
    1,140,318,063.60x = 973,763,512,946,786,944
  5. Step 5: Solve for x
    x = 973,763,512,946,786,944/1,140,318,063.60
  6. Step 6: Final answer
    x = 853,940,268.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.